Swan, M. (1988). The Cambridge English course 1: Practice book [with key]. Cambridge University Press.
Trích dẫn kiểu ChicagoSwan, Michael. The Cambridge English Course 1: Practice Book [with Key]. Cambridge University Press, 1988.
MLA引文Swan, Michael. The Cambridge English Course 1: Practice Book [with Key]. Cambridge University Press, 1988.
警告：这些引文格式不一定是100％准确.